ice: log an error message when eswitch fails to configure

When ice_eswitch_configure fails, print an error message to make it more
obvious why VF initialization did not succeed.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

drivers/net/ethernet/intel/ice/ice_sriov.c

@@ -2087,8 +2087,10 @@ static int ice_ena_vfs(struct ice_pf *pf, u16 num_vfs)
 	clear_bit(ICE_VF_DIS, pf->state);
 
 	ret = ice_eswitch_configure(pf);
-	if (ret)
+	if (ret) {
+		dev_err(dev, "Failed to configure eswitch, err %d\n", ret);
 		goto err_unroll_sriov;
+	}
 
 	/* rearm global interrupts */
 	if (test_and_clear_bit(ICE_OICR_INTR_DIS, pf->state))